import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:hello/hello.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  double _addResult = 0;

  @override
  void initState() {
    super.initState();
    initPlatformState();
    handleAdd();

    Hello.init();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      platformVersion = await Hello.platformVersion;
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  Future handleAdd() async {
    double result = await Hello.handleAdd(1, 1);

    if (!mounted) return;

    setState(() {
      _addResult = result;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              Text('Running on: $_platformVersion'),
              Text('1 + 1 = $_addResult'),
              ElevatedButton(
                onPressed: () {
                  Hello.openWxApp();
                },
                child: Text('打开微信'),
              ),
              TextButton(
                onPressed: () async {
                  bool result = await Hello.registerWxApp();
                  print(result ? '注册成功' : '注册失败');
                },
                child: Text('注册微信'),
              ),
              ElevatedButton(
                onPressed: () {
                  Hello.getInfo().then((value) => print(value));
                },
                child: Text('获取信息'),
              ),
              TextButton(
                onPressed: () {
                  Hello.getListTest().then((value) => print(value));
                },
                child: Text('获取列表'),
              ),
            ],
          ),
        ),
      ),
    );
  }
}
